function zobrazSkryj(idecko){

 el=document.getElementById(idecko).style; 
 el.display=(el.display == 'block')?'none':'block';

 el1=document.getElementById(idecko+"x").style; 
 el1.display=(el.display == 'block')?'none':'block';

 td=document.getElementById(idecko+"td").style; 
 td.class=(el.display == 'block')?'active':'txt';

}

function potvrzeniprechodu(message, url){
	if(confirm(message)) location.href = url;
}